Bell and Mermin inequalities in Quantum Field Theory from vacuum projectors and Weyl operators

The use of the vacuum projector |0〉〈0| and of the unitary Weyl operators enables us to construct a set of Hermitian dichotomic operators in relativistic scalar Quantum Field Theory in Minkowski spacetime. Employing test functions supported in diamond regions, both Bell and Mermin inequalities are st...

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Main Authors: M.S. Guimaraes, I. Roditi, S.P. Sorella, A.F. Vieira
Format: Article
Language:English
Published: Elsevier 2025-08-01
Series:Nuclear Physics B
Online Access:http://www.sciencedirect.com/science/article/pii/S0550321325001518
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author M.S. Guimaraes
I. Roditi
S.P. Sorella
A.F. Vieira
author_facet M.S. Guimaraes
I. Roditi
S.P. Sorella
A.F. Vieira
author_sort M.S. Guimaraes
collection DOAJ
description The use of the vacuum projector |0〉〈0| and of the unitary Weyl operators enables us to construct a set of Hermitian dichotomic operators in relativistic scalar Quantum Field Theory in Minkowski spacetime. Employing test functions supported in diamond regions, both Bell and Mermin inequalities are studied by means of a numerical setup. In addition to reporting expressive violations of both inequalities, the cluster property is also checked.
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spelling doaj-art-df5ade69c7c143d29cd56cf6b5dc2a4e2025-08-20T01:50:57ZengElsevierNuclear Physics B0550-32132025-08-01101711694210.1016/j.nuclphysb.2025.116942Bell and Mermin inequalities in Quantum Field Theory from vacuum projectors and Weyl operatorsM.S. Guimaraes0I. Roditi1S.P. Sorella2A.F. Vieira3UERJ, Universidade do Estado do Rio de Janeiro, Instituto de Física, Departamento de Física Teórica, Rua São Francisco Xavier 524, 20550-013, Maracanã, Rio de Janeiro, BrazilCBPF, Centro Brasileiro de Pesquisas Físicas, Rua Dr. Xavier Sigaud 150, 22290-180, Rio de Janeiro, BrazilUERJ, Universidade do Estado do Rio de Janeiro, Instituto de Física, Departamento de Física Teórica, Rua São Francisco Xavier 524, 20550-013, Maracanã, Rio de Janeiro, Brazil; Corresponding author.UFRJ, Universidade Federal do Rio de Janeiro, Instituto de Física, RJ 21.941-972, BrazilThe use of the vacuum projector |0〉〈0| and of the unitary Weyl operators enables us to construct a set of Hermitian dichotomic operators in relativistic scalar Quantum Field Theory in Minkowski spacetime. Employing test functions supported in diamond regions, both Bell and Mermin inequalities are studied by means of a numerical setup. In addition to reporting expressive violations of both inequalities, the cluster property is also checked.http://www.sciencedirect.com/science/article/pii/S0550321325001518
spellingShingle M.S. Guimaraes
I. Roditi
S.P. Sorella
A.F. Vieira
Bell and Mermin inequalities in Quantum Field Theory from vacuum projectors and Weyl operators
Nuclear Physics B
title Bell and Mermin inequalities in Quantum Field Theory from vacuum projectors and Weyl operators
title_full Bell and Mermin inequalities in Quantum Field Theory from vacuum projectors and Weyl operators
title_fullStr Bell and Mermin inequalities in Quantum Field Theory from vacuum projectors and Weyl operators
title_full_unstemmed Bell and Mermin inequalities in Quantum Field Theory from vacuum projectors and Weyl operators
title_short Bell and Mermin inequalities in Quantum Field Theory from vacuum projectors and Weyl operators
title_sort bell and mermin inequalities in quantum field theory from vacuum projectors and weyl operators
url http://www.sciencedirect.com/science/article/pii/S0550321325001518
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